Question

why using biogas is more advantageous than cow dung

Answer 1

because biogas act more vastly than cow dung . it is helpful in many ways.

Answer 2

Why using biogas is more advantageous than cow dung?

1. It doesn't leave any ash after burning.
2. It burns with smokeless flame.
3. It has higher calorific value than dung-cake, wood & coal.
4. It is much cheaper than most of the common fuel.
5. Use of Biogas as a fuel will save forests & fossil fuels.